Engineering work is taking place between Sheffield and Chesterfield, closing some lines.
The 07:36 Derby to Sheffield service will depart 5 minutes earlier than usual at 07:31 and will run earlier to Sheffield.
The 08:22 Sheffield to London St Pancras International service will depart Sheffield 3 minutes earlier than usual at 08:19, and will run later than usual from Chesterfield and beyond.
The 09:22 Sheffield to London St Pancras International service will depart Sheffield 11 minutes earlier than usual at 09:11, returning to its usual timetable at Chesterfield.
Check before you travel:
You can plan your journey using the National Rail Journey Planner.